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| <div class="subTitle">org.apache.openjpa.jdbc.meta</div> |
| <h2 title="Interface ClassStrategy" class="title">Interface ClassStrategy</h2> |
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| <dl> |
| <dt>All Superinterfaces:</dt> |
| <dd><a href="http://download.oracle.com/javase/6/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>, <a href="../../../../../org/apache/openjpa/jdbc/meta/Strategy.html" title="interface in org.apache.openjpa.jdbc.meta">Strategy</a></dd> |
| </dl> |
| <dl> |
| <dt>All Known Implementing Classes:</dt> |
| <dd><a href="../../../../../org/apache/openjpa/jdbc/meta/strats/AbstractClassStrategy.html" title="class in org.apache.openjpa.jdbc.meta.strats">AbstractClassStrategy</a>, <a href="../../../../../org/apache/openjpa/jdbc/meta/ClassMapping.html" title="class in org.apache.openjpa.jdbc.meta">ClassMapping</a>, <a href="../../../../../org/apache/openjpa/jdbc/meta/strats/EmbeddedClassStrategy.html" title="class in org.apache.openjpa.jdbc.meta.strats">EmbeddedClassStrategy</a>, <a href="../../../../../org/apache/openjpa/jdbc/meta/strats/FlatClassStrategy.html" title="class in org.apache.openjpa.jdbc.meta.strats">FlatClassStrategy</a>, <a href="../../../../../org/apache/openjpa/jdbc/meta/strats/FullClassStrategy.html" title="class in org.apache.openjpa.jdbc.meta.strats">FullClassStrategy</a>, <a href="../../../../../org/apache/openjpa/jdbc/meta/strats/NoneClassStrategy.html" title="class in org.apache.openjpa.jdbc.meta.strats">NoneClassStrategy</a>, <a href="../../../../../org/apache/openjpa/jdbc/meta/strats/ObjectIdClassStrategy.html" title="class in org.apache.openjpa.jdbc.meta.strats">ObjectIdClassStrategy</a>, <a href="../../../../../org/apache/openjpa/jdbc/meta/strats/VerticalClassStrategy.html" title="class in org.apache.openjpa.jdbc.meta.strats">VerticalClassStrategy</a></dd> |
| </dl> |
| <hr> |
| <br> |
| <pre>public interface <span class="strong">ClassStrategy</span> |
| extends <a href="../../../../../org/apache/openjpa/jdbc/meta/Strategy.html" title="interface in org.apache.openjpa.jdbc.meta">Strategy</a></pre> |
| <div class="block">Mapping from a class to a relational schema.</div> |
| <dl><dt><span class="strong">Since:</span></dt> |
| <dd>0.4.0</dd> |
| <dt><span class="strong">Author:</span></dt> |
| <dd>Abe White</dd></dl> |
| </li> |
| </ul> |
| </div> |
| <div class="summary"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ========== METHOD SUMMARY =========== --> |
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| </a> |
| <h3>Method Summary</h3> |
| <table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <caption><span>Methods</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/openjpa/lib/rop/ResultObjectProvider.html" title="interface in org.apache.openjpa.lib.rop">ResultObjectProvider</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/jdbc/meta/ClassStrategy.html#customLoad(org.apache.openjpa.jdbc.kernel.JDBCStore,%20boolean,%20org.apache.openjpa.jdbc.kernel.JDBCFetchConfiguration,%20long,%20long)">customLoad</a></strong>(<a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</a> store, |
| boolean subclasses, |
| <a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCFetchConfiguration.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCFetchConfiguration</a> fetch, |
| long startIdx, |
| long endIdx)</code> |
| <div class="block">Implement this method to customize obtaining a result containing all |
| instances of this class.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/jdbc/meta/ClassStrategy.html#customLoad(org.apache.openjpa.kernel.OpenJPAStateManager,%20org.apache.openjpa.jdbc.kernel.JDBCStore,%20org.apache.openjpa.jdbc.kernel.JDBCFetchConfiguration,%20org.apache.openjpa.jdbc.sql.Result)">customLoad</a></strong>(<a href="../../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a> sm, |
| <a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</a> store, |
| <a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCFetchConfiguration.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCFetchConfiguration</a> fetch, |
| <a href="../../../../../org/apache/openjpa/jdbc/sql/Result.html" title="interface in org.apache.openjpa.jdbc.sql">Result</a> result)</code> |
| <div class="block">Implement this method to customize loading from a <a href="../../../../../org/apache/openjpa/jdbc/sql/Result.html" title="interface in org.apache.openjpa.jdbc.sql"><code>Result</code></a> |
| into an instance.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/jdbc/meta/ClassStrategy.html#customLoad(org.apache.openjpa.kernel.OpenJPAStateManager,%20org.apache.openjpa.jdbc.kernel.JDBCStore,%20org.apache.openjpa.kernel.PCState,%20org.apache.openjpa.jdbc.kernel.JDBCFetchConfiguration)">customLoad</a></strong>(<a href="../../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a> sm, |
| <a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</a> store, |
| <a href="../../../../../org/apache/openjpa/kernel/PCState.html" title="class in org.apache.openjpa.kernel">PCState</a> state, |
| <a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCFetchConfiguration.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCFetchConfiguration</a> fetch)</code> |
| <div class="block">Implement this method to load the state of a given object, without |
| a previous <a href="../../../../../org/apache/openjpa/jdbc/sql/Result.html" title="interface in org.apache.openjpa.jdbc.sql"><code>Result</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/jdbc/meta/ClassStrategy.html#isPrimaryKeyObjectId(boolean)">isPrimaryKeyObjectId</a></strong>(boolean hasAll)</code> |
| <div class="block">Return true if the this class' primary key columns correspond to the |
| base class' primary key columns used to construct oid values.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/openjpa/jdbc/sql/Joins.html" title="interface in org.apache.openjpa.jdbc.sql">Joins</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/jdbc/meta/ClassStrategy.html#joinSuperclass(org.apache.openjpa.jdbc.sql.Joins,%20boolean)">joinSuperclass</a></strong>(<a href="../../../../../org/apache/openjpa/jdbc/sql/Joins.html" title="interface in org.apache.openjpa.jdbc.sql">Joins</a> joins, |
| boolean toThis)</code> |
| <div class="block">Join the mapping and its superclass.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/jdbc/meta/ClassStrategy.html#setClassMapping(org.apache.openjpa.jdbc.meta.ClassMapping)">setClassMapping</a></strong>(<a href="../../../../../org/apache/openjpa/jdbc/meta/ClassMapping.html" title="class in org.apache.openjpa.jdbc.meta">ClassMapping</a> owner)</code> |
| <div class="block">Set the class mapping using this strategy.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/jdbc/meta/ClassStrategy.html#supportsEagerSelect(org.apache.openjpa.jdbc.sql.Select,%20org.apache.openjpa.kernel.OpenJPAStateManager,%20org.apache.openjpa.jdbc.kernel.JDBCStore,%20org.apache.openjpa.jdbc.meta.ClassMapping,%20org.apache.openjpa.jdbc.kernel.JDBCFetchConfiguration)">supportsEagerSelect</a></strong>(<a href="../../../../../org/apache/openjpa/jdbc/sql/Select.html" title="interface in org.apache.openjpa.jdbc.sql">Select</a> sel, |
| <a href="../../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a> sm, |
| <a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</a> store, |
| <a href="../../../../../org/apache/openjpa/jdbc/meta/ClassMapping.html" title="class in org.apache.openjpa.jdbc.meta">ClassMapping</a> base, |
| <a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCFetchConfiguration.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCFetchConfiguration</a> fetch)</code> |
| <div class="block">Return true if this strategy can perform the given select from |
| the given <code>base</code> mapping.</div> |
| </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
| <li class="blockList"><a name="methods_inherited_from_class_org.apache.openjpa.jdbc.meta.Strategy"> |
| <!-- --> |
| </a> |
| <h3>Methods inherited from interface org.apache.openjpa.jdbc.meta.<a href="../../../../../org/apache/openjpa/jdbc/meta/Strategy.html" title="interface in org.apache.openjpa.jdbc.meta">Strategy</a></h3> |
| <code><a href="../../../../../org/apache/openjpa/jdbc/meta/Strategy.html#customDelete(org.apache.openjpa.kernel.OpenJPAStateManager,%20org.apache.openjpa.jdbc.kernel.JDBCStore)">customDelete</a>, <a href="../../../../../org/apache/openjpa/jdbc/meta/Strategy.html#customInsert(org.apache.openjpa.kernel.OpenJPAStateManager,%20org.apache.openjpa.jdbc.kernel.JDBCStore)">customInsert</a>, <a href="../../../../../org/apache/openjpa/jdbc/meta/Strategy.html#customUpdate(org.apache.openjpa.kernel.OpenJPAStateManager,%20org.apache.openjpa.jdbc.kernel.JDBCStore)">customUpdate</a>, <a href="../../../../../org/apache/openjpa/jdbc/meta/Strategy.html#delete(org.apache.openjpa.kernel.OpenJPAStateManager,%20org.apache.openjpa.jdbc.kernel.JDBCStore,%20org.apache.openjpa.jdbc.sql.RowManager)">delete</a>, <a href="../../../../../org/apache/openjpa/jdbc/meta/Strategy.html#getAlias()">getAlias</a>, <a href="../../../../../org/apache/openjpa/jdbc/meta/Strategy.html#initialize()">initialize</a>, <a href="../../../../../org/apache/openjpa/jdbc/meta/Strategy.html#insert(org.apache.openjpa.kernel.OpenJPAStateManager,%20org.apache.openjpa.jdbc.kernel.JDBCStore,%20org.apache.openjpa.jdbc.sql.RowManager)">insert</a>, <a href="../../../../../org/apache/openjpa/jdbc/meta/Strategy.html#isCustomDelete(org.apache.openjpa.kernel.OpenJPAStateManager,%20org.apache.openjpa.jdbc.kernel.JDBCStore)">isCustomDelete</a>, <a href="../../../../../org/apache/openjpa/jdbc/meta/Strategy.html#isCustomInsert(org.apache.openjpa.kernel.OpenJPAStateManager,%20org.apache.openjpa.jdbc.kernel.JDBCStore)">isCustomInsert</a>, <a href="../../../../../org/apache/openjpa/jdbc/meta/Strategy.html#isCustomUpdate(org.apache.openjpa.kernel.OpenJPAStateManager,%20org.apache.openjpa.jdbc.kernel.JDBCStore)">isCustomUpdate</a>, <a href="../../../../../org/apache/openjpa/jdbc/meta/Strategy.html#map(boolean)">map</a>, <a href="../../../../../org/apache/openjpa/jdbc/meta/Strategy.html#update(org.apache.openjpa.kernel.OpenJPAStateManager,%20org.apache.openjpa.jdbc.kernel.JDBCStore,%20org.apache.openjpa.jdbc.sql.RowManager)">update</a></code></li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ============ METHOD DETAIL ========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="method_detail"> |
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| </a> |
| <h3>Method Detail</h3> |
| <a name="setClassMapping(org.apache.openjpa.jdbc.meta.ClassMapping)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>setClassMapping</h4> |
| <pre>void setClassMapping(<a href="../../../../../org/apache/openjpa/jdbc/meta/ClassMapping.html" title="class in org.apache.openjpa.jdbc.meta">ClassMapping</a> owner)</pre> |
| <div class="block">Set the class mapping using this strategy. This will be called before |
| use.</div> |
| </li> |
| </ul> |
| <a name="isPrimaryKeyObjectId(boolean)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isPrimaryKeyObjectId</h4> |
| <pre>boolean isPrimaryKeyObjectId(boolean hasAll)</pre> |
| <div class="block">Return true if the this class' primary key columns correspond to the |
| base class' primary key columns used to construct oid values. Base |
| classes always return true. Classes that join to the base class table, |
| though, may not always join using the same columns the base class |
| uses for oid values, or may not use all the columns. When performing a |
| select, we will join down to the most-derived class that is identified |
| by oid values. We cannot use non-primary key field values for joining |
| during selects, because the field values to join on might be the ones |
| we're trying to select! Similarly, we can only reconstruct oid values |
| for selected objects using classes whose primary keys store oid values.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>hasAll</code> - if true, there must be a primary key column for every |
| base class primary key column; if false the primary key |
| must only match a subset of the base class primary key columns</dd></dl> |
| </li> |
| </ul> |
| <a name="joinSuperclass(org.apache.openjpa.jdbc.sql.Joins, boolean)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>joinSuperclass</h4> |
| <pre><a href="../../../../../org/apache/openjpa/jdbc/sql/Joins.html" title="interface in org.apache.openjpa.jdbc.sql">Joins</a> joinSuperclass(<a href="../../../../../org/apache/openjpa/jdbc/sql/Joins.html" title="interface in org.apache.openjpa.jdbc.sql">Joins</a> joins, |
| boolean toThis)</pre> |
| <div class="block">Join the mapping and its superclass.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>toThis</code> - if false, inner join to the superclass table; if |
| true, outer join from the superclass table to this table</dd></dl> |
| </li> |
| </ul> |
| <a name="supportsEagerSelect(org.apache.openjpa.jdbc.sql.Select, org.apache.openjpa.kernel.OpenJPAStateManager, org.apache.openjpa.jdbc.kernel.JDBCStore, org.apache.openjpa.jdbc.meta.ClassMapping, org.apache.openjpa.jdbc.kernel.JDBCFetchConfiguration)"> |
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| <h4>supportsEagerSelect</h4> |
| <pre>boolean supportsEagerSelect(<a href="../../../../../org/apache/openjpa/jdbc/sql/Select.html" title="interface in org.apache.openjpa.jdbc.sql">Select</a> sel, |
| <a href="../../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a> sm, |
| <a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</a> store, |
| <a href="../../../../../org/apache/openjpa/jdbc/meta/ClassMapping.html" title="class in org.apache.openjpa.jdbc.meta">ClassMapping</a> base, |
| <a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCFetchConfiguration.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCFetchConfiguration</a> fetch)</pre> |
| <div class="block">Return true if this strategy can perform the given select from |
| the given <code>base</code> mapping. |
| The given state manager may be null if selecting multiple instances.</div> |
| </li> |
| </ul> |
| <a name="customLoad(org.apache.openjpa.jdbc.kernel.JDBCStore, boolean, org.apache.openjpa.jdbc.kernel.JDBCFetchConfiguration, long, long)"> |
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| <h4>customLoad</h4> |
| <pre><a href="../../../../../org/apache/openjpa/lib/rop/ResultObjectProvider.html" title="interface in org.apache.openjpa.lib.rop">ResultObjectProvider</a> customLoad(<a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</a> store, |
| boolean subclasses, |
| <a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCFetchConfiguration.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCFetchConfiguration</a> fetch, |
| long startIdx, |
| long endIdx) |
| throws <a href="http://download.oracle.com/javase/6/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</a></pre> |
| <div class="block">Implement this method to customize obtaining a result containing all |
| instances of this class. Return null for standard loading.</div> |
| <dl><dt><span class="strong">Throws:</span></dt> |
| <dd><code><a href="http://download.oracle.com/javase/6/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</a></code></dd></dl> |
| </li> |
| </ul> |
| <a name="customLoad(org.apache.openjpa.kernel.OpenJPAStateManager, org.apache.openjpa.jdbc.kernel.JDBCStore, org.apache.openjpa.kernel.PCState, org.apache.openjpa.jdbc.kernel.JDBCFetchConfiguration)"> |
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| <h4>customLoad</h4> |
| <pre>boolean customLoad(<a href="../../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a> sm, |
| <a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</a> store, |
| <a href="../../../../../org/apache/openjpa/kernel/PCState.html" title="class in org.apache.openjpa.kernel">PCState</a> state, |
| <a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCFetchConfiguration.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCFetchConfiguration</a> fetch) |
| throws <a href="http://download.oracle.com/javase/6/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</a>, |
| <a href="http://download.oracle.com/javase/6/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</a></pre> |
| <div class="block">Implement this method to load the state of a given object, without |
| a previous <a href="../../../../../org/apache/openjpa/jdbc/sql/Result.html" title="interface in org.apache.openjpa.jdbc.sql"><code>Result</code></a>. Return true if this method handles the |
| load. If the object does not exist in the data store, simply take no |
| action on it (but still return true). Return false to use default |
| loading.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>state</code> - if non-null, then you must initialize the state |
| and persistent object of the given state manager |
| (after determining the actual class of the object |
| from the database, if there are possible persistent |
| subclasses); initialization looks like this: <code> |
| sm.initialize (pcClass, state)</code></dd> |
| <dt><span class="strong">Throws:</span></dt> |
| <dd><code><a href="http://download.oracle.com/javase/6/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</a></code></dd> |
| <dd><code><a href="http://download.oracle.com/javase/6/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</a></code></dd></dl> |
| </li> |
| </ul> |
| <a name="customLoad(org.apache.openjpa.kernel.OpenJPAStateManager, org.apache.openjpa.jdbc.kernel.JDBCStore, org.apache.openjpa.jdbc.kernel.JDBCFetchConfiguration, org.apache.openjpa.jdbc.sql.Result)"> |
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| <h4>customLoad</h4> |
| <pre>boolean customLoad(<a href="../../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a> sm, |
| <a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</a> store, |
| <a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCFetchConfiguration.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCFetchConfiguration</a> fetch, |
| <a href="../../../../../org/apache/openjpa/jdbc/sql/Result.html" title="interface in org.apache.openjpa.jdbc.sql">Result</a> result) |
| throws <a href="http://download.oracle.com/javase/6/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</a></pre> |
| <div class="block">Implement this method to customize loading from a <a href="../../../../../org/apache/openjpa/jdbc/sql/Result.html" title="interface in org.apache.openjpa.jdbc.sql"><code>Result</code></a> |
| into an instance. Return true if this mapping handles the |
| load; false if normal loading should proceed after calling this method.</div> |
| <dl><dt><span class="strong">Throws:</span></dt> |
| <dd><code><a href="http://download.oracle.com/javase/6/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</a></code></dd></dl> |
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